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/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibGUI/GMLFormatter.h>
#include <unistd.h>
bool format_file(const StringView&, bool);
bool format_file(const StringView& path, bool inplace)
{
auto read_from_stdin = path == "-";
RefPtr<Core::File> file;
if (read_from_stdin) {
file = Core::File::standard_input();
} else {
auto open_mode = inplace ? Core::OpenMode::ReadWrite : Core::OpenMode::ReadOnly;
auto file_or_error = Core::File::open(path, open_mode);
if (file_or_error.is_error()) {
warnln("Could not open {}: {}", path, file_or_error.error());
return false;
}
file = file_or_error.value();
}
auto formatted_gml = GUI::format_gml(file->read_all());
if (formatted_gml.is_null()) {
warnln("Failed to parse GML!");
return false;
}
if (inplace && !read_from_stdin) {
if (!file->seek(0) || !file->truncate(0)) {
warnln("Could not truncate {}: {}", path, file->error_string());
return false;
}
if (!file->write(formatted_gml)) {
warnln("Could not write to {}: {}", path, file->error_string());
return false;
}
} else {
out("{}", formatted_gml);
}
return true;
}
int main(int argc, char** argv)
{
#ifdef __serenity__
if (pledge("stdio rpath wpath cpath", nullptr) < 0) {
perror("pledge");
return 1;
}
#endif
bool inplace = false;
Vector<const char*> files;
Core::ArgsParser args_parser;
args_parser.set_general_help("Format GML files.");
args_parser.add_option(inplace, "Write formatted contents back to file rather than standard output", "inplace", 'i');
args_parser.add_positional_argument(files, "File(s) to process", "path", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
#ifdef __serenity__
if (!inplace) {
if (pledge("stdio rpath", nullptr) < 0) {
perror("pledge");
return 1;
}
}
#endif
unsigned exit_code = 0;
if (files.is_empty())
files.append("-");
for (auto& file : files) {
if (!format_file(file, inplace))
exit_code = 1;
}
return exit_code;
}
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